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Major publishers are still adopting ads.txt

This blog series provides a weekly summary highlighting some of the key takeaways as the programmatic industry adopts ads.txt, the IAB-led anti-ad fraud initiative.

Pixalate has also made available for download the full list of publishers with ads.txt implemented, which also gets updated weekly. 

To see the new Q1 2018 Ads.txt Trends Report, go here

Ads.txt adoption at a glance: Initiative eclipses 400,000 publisher mark

Ads.txt adoption reached several new highs this week:

  • Ads.txt adoption climbed to 72.06% among the top 5,000 programmatic publishers
  • Adoption among the top 1,000 programmatic publishers also reached a new high (74.1%)
  • Nearly 13,000 new publishers implemented ads.txt last week, bringing the total number of publishers with ads.txt to 408,354

ads.txt blog image chart april 16

Here are the latest ads.txt adoption figures, as of April 16, 2018.

Over 400,000 publishers now have ads.txt

As of this writing, 408,354 publishers have implemented ads.txt.

This represents an increase of 12,961 compared to last week.

Ads.txt adoption has increased 356% so far in 2018

According to Pixalate’s research, the total number of publishers with ads.txt was 89,638 as of January 1, 2018.

Nearly 320,000 new publishers have implemented ads.txt since then — representing a rise of about 356%.

ads.txt blog image april 16

Pixalate Top 1,000: 74.1% of the top 1,000 programmatic publishers have ads.txt

Of the top 1,000 sites based on programmatic advertising volume (the “Pixalate Top 1,000”), 741 sites have implemented ads.txt — or 74.1%.

This represents an increase of six (6) new publishers since last week.

This number is up from 571 on January 1, representing a year-to-date rise of just under 30%.

Pixalate Top 5,000: 72.06% of the top 5,000 programmatic publishers have ads.txt

Of the top 5,000 sites based on programmatic advertising volume (the “Pixalate Top 5,000”), 3,603 sites have implemented ads.txt — or 72%.

This indicates that an additional 53 sites within the Pixalate Top 5,000 implemented ads.txt in the past week.

This number is up from 2,355 on January 1, representing a year-to-date rise of 53%.

36.2% of Alexa Top 1,000 sites have ads.txt

As of this writing, 362 Alexa Top 1,000 publishers have implemented ads.txt — or 36.2%.

This number is up from 220 on January 1, representing a year-to-date rise of 64.55%

Last week, Pixalate measured 360 Alexa Top 1,000 publishers as having implemented ads.txt. Publishers can move in and out of these top rankings. 

32.54% of Alexa Top 5,000 sites have ads.txt

As of this writing, 1,627 Alexa Top 5,000 publishers have implemented ads.txt — or 32.54%. 

This number is up from 1,013 on January 1, representing a year-to-date rise of nearly 61%.

Last week, Pixalate measured 1,604 Alexa Top 5,000 publishers as having implemented ads.txt. Publishers can move in and out of these top rankings. 

Download the full list of publishers with ads.txt

You can download the full list of publishers with ads.txt here:

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